A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes shaft(1), straight; and axle(1), straight.
Classification: Transmission shafts and cranks, except camshafts and crankshafts
NSN 6620-01-292-5072
NSN 5930-01-261-1959
NSN 5835-01-535-0948
NSN 5910-00-274-0127
NSN 6110-01-573-4637
NSN 5930-01-152-2621
NSN 5945-01-370-3463
NSN 6135-01-222-0703
NSN 2925-00-951-0150
NSN 4140-01-388-7788
NSN 6220-00-200-7888
NSN 5960-01-369-8666